INPEX Masela, Ltd

PREQUALIFICATION ANNOUNCEMENT

INPEX Masela, LTD. ("COMPANY"), as the Production Sharing Contractor of the Masela Working Area hereby invites companies ("REGISTRANT"), with the relevant experiences and capabilities to participate in the prequalification phase ("PREQUALIFICATION") of a Tender as described below:

Tender Title : Provision of Surface Well Testing Services

Tender Number : MAS/2026/0022

Business Qualification : Large Scale Business

Business Classification : Other Service

Business Sub-Classification :  Aktivitas Penunjang Pertambangan Minyak Bumi dan Gas Alam (kode KBLI: 09100)

Local Content Requirement : Minimum 10% (ten percent).

Company Status :

- Domestic Investment Company;

- Foreign Investment Company

- Consortium between Domestic Investment Company (PMDN) and Domestic Investment Company (PMDN), Consortium between PMDN Company and Foreign Investment Company (PMA) and/or Foreign Company (PA) in which the PMDN or PMA shall acts as the leadfirm.

PREQUALIFICATION will be undertaken in full compliance with SKK Migas Working Guideline No. PTK-007/SKKIA0000/2023/S9 (Revision 05) Second Amendment, regarding Procurement of Goods/Services Implementation Guidelines and Procurement of Goods/Services Implementation Guidelines No. EDR-0254/SKKIH0000/2025/S0 with its amendments ("PTK 007").

BRIEF SCOPE OF WORKS:

As part of the scope of work, Contractor shall provide surface well testing services including provision of equipment, engineering support, technical design, preparation, execution, and all related services to support the following activities:

1. Perform surface well testing safely for high-rate well clean-up in a deep-water MODU.

2. Provision of competent and experienced personnel to support well testing operations.

3. Design & planning services towards the execution of the work.

4. Preparation and support of HAZID and HAZOP studies.

5. Managing and supervising third-party services.

6. Provision of specific work instructions for well testing operations.

7. MODU site visits prior operations

8. Regular maintenance, equipment re-certification. calibration, and

PREQUALIFICATION REQUIREMENT REGISTRATION :

REGISTRANT shall formally register by submitting the documents below to COMPANY's procurement management ("PROCUREMENT MANAGEMENT") through e-mail to jkt.drltender@inpex.com:

1. A written letter requesting participation in the PREQUALIFICATION process, providing the email addresses and mobile numbers of two (2) designated contact person from the Registrant, who can be contacted regarding the PREQUALIFICATION process.

2. Copy of Certificate for Replacement of Administration Document (SPDA).

3. Evidence that the REGISTRANT holds the above-mentioned sub-sector classification in the form of a Business Identification Number (NIB), or a license demonstrating that the REGISTRANT possesses a business license in accordance with the KBLI as required above.

4. Statement letter stating REGISTRANT'S experience in undertaking and completing well testing services for deepwater drilling operation within the last ten (10) years. REGISTRANT shall indicate work title, work value, and the contract owner, goods/services provider, and person in charge of the contract owner in the Statement Letter.

Other conditions will be specified in the PREQUALIFICATION Document.

PREQUALIFICATION SCHEDULE:

1. Registration for the PREQUALIFICATION process will take place from 30 June 2026 to 3 July 2026, no later than 15.00 WIB, through the following address e-mail jkt.drltender@inpex.com.

2. PROCUREMENT MANAGEMENT will inform the evaluation result based on the submitted PREQUALIFICATION registration documents to REGISTRANT. Only REGISTRANTS fulfilling all requirements above are eligible to participate in the next stage of the PREQUALIFICATION process.

PREQUALIFICATION Document will be sent by email together with the PREQUALIFICATION invitation only to REGISTRANT who fulfills all the registration requirements.

Failure to follow the above process and/or to submit the required documents may result in the respective REGISTRANT not being invited to the subsequent PREQUALIFICATION/Tender phase.

Jakarta, 30 June 2026

PENGELOLA PENGADAAN/PROCUREMENT MANAGEMENT INPEX MASELA, LTD.

Nova Mariana Kartikasari

Senior Manager Supply Chain Management